// SPDX-License-Identifier: MIT
pragma solidity 0.8.17;

import "@openzeppelin/contracts/token/ERC20/ERC20.sol";
import "@openzeppelin/contracts/access/Ownable.sol";
import "@openzeppelin/contracts/token/ERC20/extensions/ERC20Burnable.sol";

contract GNET is ERC20, ERC20Burnable, Ownable {
    address public minterContract;

    // this is not real name, please check the contract first before deploying !
    constructor() ERC20("TestGlobalNetwork", "TGNET") {
        _mint(msg.sender, 1_000_000_000 * 10 ** 9);
    }

    function decimals() public pure override returns (uint8) {
        return 9;
    }

    function setMinterContract(address _minterContract) public onlyOwner {
        require(minterContract == address(0), "minter contract already set");
        minterContract = _minterContract;
    }

    function mintForFarm(uint amount, address target) external {
        require(msg.sender == minterContract, "Unauthorized minter");
        _mint(target, amount);
    }
}